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TARGET_HRM1017/TOOLCHAIN_GCC_ARM/NRF51822.ld
- Committer:
- AnnaBridge
- Date:
- 2018-11-08
- Revision:
- 171:3a7713b1edbc
- Parent:
- 156:ff21514d8981
File content as of revision 171:3a7713b1edbc:
/* Linker script to configure memory regions. */ MEMORY { FLASH (rx) : ORIGIN = 0x0001C000, LENGTH = 0x24000 RAM (rwx) : ORIGIN = 0x20002800, LENGTH = 0x1800 } OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm") /* Linker script to place sections and symbol values. Should be used together * with other linker script that defines memory regions FLASH and RAM. * It references following symbols, which must be defined in code: * Reset_Handler : Entry of reset handler * * It defines following symbols, which code can use without definition: * __exidx_start * __exidx_end * __etext * __data_start__ * __preinit_array_start * __preinit_array_end * __init_array_start * __init_array_end * __fini_array_start * __fini_array_end * __data_end__ * __bss_start__ * __bss_end__ * __end__ * end * __HeapLimit * __StackLimit * __StackTop * __stack */ ENTRY(Reset_Handler) SECTIONS { .text : { KEEP(*(.Vectors)) *(.text*) KEEP(*(.init)) KEEP(*(.fini)) /* .ctors */ *crtbegin.o(.ctors) *crtbegin?.o(.ctors) *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) *(SORT(.ctors.*)) *(.ctors) /* .dtors */ *crtbegin.o(.dtors) *crtbegin?.o(.dtors) *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) *(SORT(.dtors.*)) *(.dtors) *(.rodata*) KEEP(*(.eh_frame*)) } > FLASH .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } > FLASH __exidx_start = .; .ARM.exidx : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) } > FLASH __exidx_end = .; __etext = .; .data : AT (__etext) { __data_start__ = .; *(vtable) *(.data*) . = ALIGN(8); /* preinit data */ PROVIDE_HIDDEN (__preinit_array_start = .); KEEP(*(.preinit_array)) PROVIDE_HIDDEN (__preinit_array_end = .); . = ALIGN(8); /* init data */ PROVIDE_HIDDEN (__init_array_start = .); KEEP(*(SORT(.init_array.*))) KEEP(*(.init_array)) PROVIDE_HIDDEN (__init_array_end = .); . = ALIGN(8); /* finit data */ PROVIDE_HIDDEN (__fini_array_start = .); KEEP(*(SORT(.fini_array.*))) KEEP(*(.fini_array)) PROVIDE_HIDDEN (__fini_array_end = .); *(.jcr) . = ALIGN(8); /* All data end */ __data_end__ = .; } > RAM .bss : { . = ALIGN(8); __bss_start__ = .; *(.bss*) *(COMMON) . = ALIGN(8); __bss_end__ = .; } > RAM .heap (NOLOAD): { __end__ = .; end = __end__; __HeapBase = .; *(.heap*) . = ORIGIN(RAM) + LENGTH(RAM) - Stack_Size; __HeapLimit = .; } > RAM /* .stack_dummy section doesn't contains any symbols. It is only * used for linker to calculate size of stack sections, and assign * values to stack symbols later */ .stack_dummy (NOLOAD): { *(.stack*) } > RAM /* Set stack top to end of RAM, and stack limit move down by * size of stack_dummy section */ __StackTop = ORIGIN(RAM) + LENGTH(RAM); __StackLimit = __StackTop - SIZEOF(.stack_dummy); PROVIDE(__stack = __StackTop); /* Check if data + heap + stack exceeds RAM limit */ ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") }